Profile: NTI Group India is a manufacturer of precision cutting tools, HSS threading taps, and scaffolding swivel couplers. Our products include girder couplers, putlog couplers, sleeve couplers, right angle couplers, bottom cups, circular threading dies, and HSS threading chasers. We are accredited with ISO 9001:2008 certification. Our joint pins are widely used to connect scaffold tubes from end to end, when the tubes are compressed. Our pressed swivel coupler is widely used for bracing the tubes, and allows the tubes to be connected at any angle. Our right angle coupler is ideal to clamp the scaffolding tube at right angles.